package controler;

import java.io.IOException;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import dao.GetCnn;

/**
 * Servlet implementation class ctquangcao
 */
@WebServlet("/ctquangcao")
public class ctquangcao extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public ctquangcao() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		String vitri = request.getParameter("vitri");
		String maqc = request.getParameter("maqc");
		Connection cnn = GetCnn.getCnn();
		try {
			Statement stat = cnn.createStatement();
			String sSQL = "Update quangcao set vitri = 'null' where vitri = '"+vitri+"'";
			stat.executeUpdate(sSQL);
			sSQL = "update quangcao set vitri = '"+vitri+"' where maqc = '"+maqc+"' ";
			stat.executeUpdate(sSQL);
			response.sendRedirect("adminquangcao");
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
	}

}
